Kolomdoorsnede
Plaatafmetingen
Beton & Nationale bijlage
Ankerbouten
Belastingen
Resultaten
2085.3
Nc,Rd (kN) — compression resistance
Governing η
24% PASS ✓
fjd (§6.2.5)13.03 N/mm²
kj (Eq 6.6)1.15
c (Eq 6.5)96.4 mm
Aeff160,000 mm² (capped)
Nc,Rd2085.3 kN
Nt,Rd (2×bolt)282.2 kN (steel)
MRd56.4 kNm
tmin
28.2 mm ✓
aw,req (§4.5.3)3 mm
GoverningBearing N/N_c,Rd
1. f_cd (EN 1992-1-1 §3.1.6)
α_cc = 0.85 | γ_C = 1.5
f_cd = α_cc × f_ck / γ_C = 17 N/mm²
2. k_j (EN 1993-1-8 Eq 6.6)
A_c0 = B × L = 160000 mm² | A_c1 = 211600 mm²
k_j = √(A_c1/A_c0) = 1.15 (capped at 3.0)
3. f_jd (§6.2.5(7))
β_j = 2/3 (grouted base) | k_j = 1.15
f_jd = β_j × k_j × f_cd = 13.03 N/mm²
4. Overhang c (Eq 6.5)
c = t × √(f_y/(3·f_jd·γM0)) = 96.4 mm
5. A_eff (T-stub, §6.2.5(4))
A_eff = 160,000 mm² (capped at plate area)
6. N_c,Rd (Eq 6.4)
N_c,Rd = f_jd × A_eff = 2085.3 kN
7. Anchor resistance
F_t,Rd (steel) = 141.12 kN/bolt
N_Rd,c (cone) = 189.74 kN/bolt → governs: steel
N_t,Rd = 2 × min(...) = 282.2 kN
8. Utilisation
η_N = 24.0% η_M = 0.0% η_T = 0.0%
Governing η = 24% → PASS ✓
α_cc = 0.85 | γ_C = 1.5
f_cd = α_cc × f_ck / γ_C = 17 N/mm²
2. k_j (EN 1993-1-8 Eq 6.6)
A_c0 = B × L = 160000 mm² | A_c1 = 211600 mm²
k_j = √(A_c1/A_c0) = 1.15 (capped at 3.0)
3. f_jd (§6.2.5(7))
β_j = 2/3 (grouted base) | k_j = 1.15
f_jd = β_j × k_j × f_cd = 13.03 N/mm²
4. Overhang c (Eq 6.5)
c = t × √(f_y/(3·f_jd·γM0)) = 96.4 mm
5. A_eff (T-stub, §6.2.5(4))
A_eff = 160,000 mm² (capped at plate area)
6. N_c,Rd (Eq 6.4)
N_c,Rd = f_jd × A_eff = 2085.3 kN
7. Anchor resistance
F_t,Rd (steel) = 141.12 kN/bolt
N_Rd,c (cone) = 189.74 kN/bolt → governs: steel
N_t,Rd = 2 × min(...) = 282.2 kN
8. Utilisation
η_N = 24.0% η_M = 0.0% η_T = 0.0%
Governing η = 24% → PASS ✓
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Want the full design tables? Get the EN 1993-1-8 §6.2.5 cheatsheet → — M16–M36 bolt table, NL/DE/BE NA comparison, HEB 300 worked example.